/*
* Copyright (c) 2008 Boulder Community Foundation - iVolunteer
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package service;
import javax.ws.rs.Path;
import javax.ws.rs.GET;
import javax.ws.rs.PUT;
import javax.ws.rs.DELETE;
import javax.ws.rs.Produces;
import javax.ws.rs.Consumes;
import javax.ws.rs.QueryParam;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.UriInfo;
import com.sun.jersey.api.core.ResourceContext;
import javax.ws.rs.WebApplicationException;
import javax.persistence.NoResultException;
import javax.persistence.EntityManager;
import persistence.Filter;
import persistence.InterestArea;
import java.util.Collection;
import persistence.OrganizationType;
import persistence.Timeframe;
import persistence.Distance;
import persistence.IvUser;
import converter.FilterConverter;
/**
*
* @author Dave Angulo
*/
public class FilterResource {
@Context
protected UriInfo uriInfo;
@Context
protected ResourceContext resourceContext;
protected String id;
/** Creates a new instance of FilterResource */
public FilterResource() {
}
public void setId(String id) {
this.id = id;
}
/**
* Get method for retrieving an instance of Filter identified by id in XML
* format.
*
* @param id
* identifier for the entity
* @return an instance of FilterConverter
*/
@GET
@Produces( { "application/xml", "application/json" })
public FilterConverter get(@QueryParam("expandLevel") @DefaultValue("1") int expandLevel) {
PersistenceService persistenceSvc = PersistenceService.getInstance();
try {
persistenceSvc.beginTx();
return new FilterConverter(getEntity(), uriInfo.getAbsolutePath(), expandLevel);
} finally {
PersistenceService.getInstance().close();
}
}
/**
* Put method for updating an instance of Filter identified by id using XML
* as the input format.
*
* @param id
* identifier for the entity
* @param data
* an FilterConverter entity that is deserialized from a XML
* stream
*/
@PUT
@Consumes( { "application/xml", "application/json" })
public void put(FilterConverter data) {
PersistenceService persistenceSvc = PersistenceService.getInstance();
try {
persistenceSvc.beginTx();
EntityManager em = persistenceSvc.getEntityManager();
updateEntity(getEntity(), data.resolveEntity(em));
persistenceSvc.commitTx();
} finally {
persistenceSvc.close();
}
}
/**
* Delete method for deleting an instance of Filter identified by id.
*
* @param id
* identifier for the entity
*/
@DELETE
public void delete() {
PersistenceService persistenceSvc = PersistenceService.getInstance();
try {
persistenceSvc.beginTx();
deleteEntity(getEntity());
persistenceSvc.commitTx();
} finally {
persistenceSvc.close();
}
}
/**
* Returns an instance of Filter identified by id.
*
* @param id
* identifier for the entity
* @return an instance of Filter
*/
protected Filter getEntity() {
EntityManager em = PersistenceService.getInstance().getEntityManager();
try {
return (Filter) em.createQuery("SELECT e FROM Filter e where e.id = :id").setParameter(
"id", id).getSingleResult();
} catch (NoResultException ex) {
throw new WebApplicationException(new Throwable("Resource for "
+ uriInfo.getAbsolutePath() + " does not exist."), 404);
}
}
/**
* Updates entity using data from newEntity.
*
* @param entity
* the entity to update
* @param newEntity
* the entity containing the new data
* @return the updated entity
*/
protected Filter updateEntity(Filter entity, Filter newEntity) {
EntityManager em = PersistenceService.getInstance().getEntityManager();
Collection<OrganizationType> organizationTypeCollection = entity
.getOrganizationTypeCollection();
Collection<OrganizationType> organizationTypeCollectionNew = newEntity
.getOrganizationTypeCollection();
Collection<InterestArea> interestAreaCollection = entity.getInterestAreaCollection();
Collection<InterestArea> interestAreaCollectionNew = newEntity.getInterestAreaCollection();
Distance distanceId = entity.getDistanceId();
Distance distanceIdNew = newEntity.getDistanceId();
IvUser userId = entity.getUserId();
IvUser userIdNew = newEntity.getUserId();
Timeframe timeframeId = entity.getTimeframeId();
Timeframe timeframeIdNew = newEntity.getTimeframeId();
entity = em.merge(newEntity);
for (OrganizationType value : organizationTypeCollection) {
if (!organizationTypeCollectionNew.contains(value)) {
value.getFilterCollection().remove(entity);
}
}
for (OrganizationType value : organizationTypeCollectionNew) {
if (!organizationTypeCollection.contains(value)) {
value.getFilterCollection().add(entity);
}
}
for (InterestArea value : interestAreaCollection) {
if (!interestAreaCollectionNew.contains(value)) {
value.getFilterCollection().remove(entity);
}
}
for (InterestArea value : interestAreaCollectionNew) {
if (!interestAreaCollection.contains(value)) {
value.getFilterCollection().add(entity);
}
}
if (distanceId != null && !distanceId.equals(distanceIdNew)) {
distanceId.getFilterCollection().remove(entity);
}
if (distanceIdNew != null && !distanceIdNew.equals(distanceId)) {
distanceIdNew.getFilterCollection().add(entity);
}
if (userId != null && !userId.equals(userIdNew)) {
userId.getFilterCollection().remove(entity);
}
if (userIdNew != null && !userIdNew.equals(userId)) {
userIdNew.getFilterCollection().add(entity);
}
if (timeframeId != null && !timeframeId.equals(timeframeIdNew)) {
timeframeId.getFilterCollection().remove(entity);
}
if (timeframeIdNew != null && !timeframeIdNew.equals(timeframeId)) {
timeframeIdNew.getFilterCollection().add(entity);
}
return entity;
}
/**
* Deletes the entity.
*
* @param entity
* the entity to deletle
*/
protected void deleteEntity(Filter entity) {
EntityManager em = PersistenceService.getInstance().getEntityManager();
for (OrganizationType value : entity.getOrganizationTypeCollection()) {
value.getFilterCollection().remove(entity);
}
for (InterestArea value : entity.getInterestAreaCollection()) {
value.getFilterCollection().remove(entity);
}
Distance distanceId = entity.getDistanceId();
if (distanceId != null) {
distanceId.getFilterCollection().remove(entity);
}
IvUser userId = entity.getUserId();
if (userId != null) {
userId.getFilterCollection().remove(entity);
}
Timeframe timeframeId = entity.getTimeframeId();
if (timeframeId != null) {
timeframeId.getFilterCollection().remove(entity);
}
em.remove(entity);
}
/**
* Returns a dynamic instance of OrganizationTypesResource used for entity
* navigation.
*
* @param id
* identifier for the parent entity
* @return an instance of OrganizationTypesResource
*/
@Path("organizationTypeCollection/")
public OrganizationTypesResource getOrganizationTypeCollectionResource() {
OrganizationTypeCollectionResourceSub resource = resourceContext
.getResource(OrganizationTypeCollectionResourceSub.class);
resource.setParent(getEntity());
return resource;
}
/**
* Returns a dynamic instance of InterestAreasResource used for entity
* navigation.
*
* @param id
* identifier for the parent entity
* @return an instance of InterestAreasResource
*/
@Path("interestAreaCollection/")
public InterestAreasResource getInterestAreaCollectionResource() {
InterestAreaCollectionResourceSub resource = resourceContext
.getResource(InterestAreaCollectionResourceSub.class);
resource.setParent(getEntity());
return resource;
}
/**
* Returns a dynamic instance of DistanceResource used for entity
* navigation.
*
* @param id
* identifier for the parent entity
* @return an instance of DistanceResource
*/
@Path("distanceId/")
public service.DistanceResource getDistanceIdResource() {
DistanceIdResourceSub resource = resourceContext.getResource(DistanceIdResourceSub.class);
resource.setParent(getEntity());
return resource;
}
/**
* Returns a dynamic instance of IvUserResource used for entity navigation.
*
* @param id
* identifier for the parent entity
* @return an instance of IvUserResource
*/
@Path("userId/")
public IvUserResource getUserIdResource() {
UserIdResourceSub resource = resourceContext.getResource(UserIdResourceSub.class);
resource.setParent(getEntity());
return resource;
}
/**
* Returns a dynamic instance of TimeframeResource used for entity
* navigation.
*
* @param id
* identifier for the parent entity
* @return an instance of TimeframeResource
*/
@Path("timeframeId/")
public TimeframeResource getTimeframeIdResource() {
TimeframeIdResourceSub resource = resourceContext.getResource(TimeframeIdResourceSub.class);
resource.setParent(getEntity());
return resource;
}
public static class OrganizationTypeCollectionResourceSub extends OrganizationTypesResource {
private Filter parent;
public void setParent(Filter parent) {
this.parent = parent;
}
@Override
protected Collection<OrganizationType> getEntities(int start, int max, String query) {
Collection<OrganizationType> result = new java.util.ArrayList<OrganizationType>();
int index = 0;
for (OrganizationType e : parent.getOrganizationTypeCollection()) {
if (index >= start && (index - start) < max) {
result.add(e);
}
index++;
}
return result;
}
}
public static class InterestAreaCollectionResourceSub extends InterestAreasResource {
private Filter parent;
public void setParent(Filter parent) {
this.parent = parent;
}
@Override
protected Collection<InterestArea> getEntities(int start, int max, String query) {
Collection<InterestArea> result = new java.util.ArrayList<InterestArea>();
int index = 0;
for (InterestArea e : parent.getInterestAreaCollection()) {
if (index >= start && (index - start) < max) {
result.add(e);
}
index++;
}
return result;
}
}
public static class DistanceIdResourceSub extends DistanceResource {
private Filter parent;
public void setParent(Filter parent) {
this.parent = parent;
}
@Override
protected Distance getEntity() {
Distance entity = parent.getDistanceId();
if (entity == null) {
throw new WebApplicationException(new Throwable("Resource for "
+ uriInfo.getAbsolutePath() + " does not exist."), 404);
}
return entity;
}
}
public static class UserIdResourceSub extends IvUserResource {
private Filter parent;
public void setParent(Filter parent) {
this.parent = parent;
}
@Override
protected IvUser getEntity() {
IvUser entity = parent.getUserId();
if (entity == null) {
throw new WebApplicationException(new Throwable("Resource for "
+ uriInfo.getAbsolutePath() + " does not exist."), 404);
}
return entity;
}
}
public static class TimeframeIdResourceSub extends TimeframeResource {
private Filter parent;
public void setParent(Filter parent) {
this.parent = parent;
}
@Override
protected Timeframe getEntity() {
Timeframe entity = parent.getTimeframeId();
if (entity == null) {
throw new WebApplicationException(new Throwable("Resource for "
+ uriInfo.getAbsolutePath() + " does not exist."), 404);
}
return entity;
}
}
}